16055601551 has 4 divisors (see below), whose sum is σ = 17515201704. Its totient is φ = 14596001400.

The previous prime is 16055601503. The next prime is 16055601553. The reversal of 16055601551 is 15510655061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16055601551 - 2⁶ = 16055601487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16055601553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729800060 + ... + 729800081.

It is an arithmetic number, because the mean of its divisors is an integer number (4378800426).

Almost surely, 2^16055601551 is an apocalyptic number.

16055601551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16055601551 is a deficient number, since it is larger than the sum of its proper divisors (1459600153).

16055601551 is a wasteful number, since it uses less digits than its factorization.

16055601551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459600152.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 16055601551 in words is "sixteen billion, fifty-five million, six hundred one thousand, five hundred fifty-one".